Many of us drive, either for our everyday lives or on business. For a long time, more people and more cars meant more car travel, but that trend appears to have slowed and stopped. While the rest of us were watching airlines bicker with passengers over fees and distribution methods, Alexis Madrigal, senior editor for The Atlantic,cites a recent study in which eight industrialized nations, including the U.S., have seen a reversal in the growth evolution of automobile travek,